Killing Methods

To cover the methods of well control for fixed rigs, cover the special considerations for subsea rigs (Types of drilling rigs), and look at step-down graphs for deviated and horizontal wells. General Well Control Methods The objective of the various kill methods is to circulate out any invading fluid and circulate a satisfactory weight of …

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The volumetric method is mostly used in workover and production well control operations. It is a means of allowing the gas to migrate (gas kick behaviour) to the surface under control. The gas needs to migrate at over (approx.) 1000′ per hour. To allow the bubble to expand the casing pressure is held constant for …

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